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73 lines
2.5 KiB
Python
73 lines
2.5 KiB
Python
# Copyright 2026 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import asyncio
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from typing import Any
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from typing import Dict
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from google.adk.agents.llm_agent import Agent
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from google.adk.tools.function_tool import FunctionTool
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from google.genai import types
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async def slow_background_task(task_description: str) -> Dict[str, Any]:
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"""Performs a long-running background computation or data retrieval.
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Args:
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task_description: Description of the task to run in the background.
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Returns:
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A dictionary containing the completion status and task result.
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"""
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print(f"[Tool] Starting slow background task: {task_description}")
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# Simulate a 10-second non-blocking background operation
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await asyncio.sleep(10)
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print(f"[Tool] Completed slow background task: {task_description}")
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return {
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"status": "completed",
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"task": task_description,
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"result": "Background task finished successfully after 10 seconds.",
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}
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# Create a FunctionTool wrapping the long-running async function
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non_blocking_tool = FunctionTool(slow_background_task)
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# Configure response_scheduling to indicate non-blocking behavior for Live mode.
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# Options: WHEN_IDLE, SILENT, or INTERRUPT.
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non_blocking_tool.response_scheduling = (
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types.FunctionResponseScheduling.WHEN_IDLE
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)
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root_agent = Agent(
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model="gemini-live-2.5-flash-native-audio",
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name="non_blocking_tool_agent",
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description=(
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"Agent demonstrating non-blocking tool execution in ADK Live mode."
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),
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instruction="""
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You are a helpful assistant for testing live mode non-blocking tool execution.
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You have access to a tool `slow_background_task` which is configured with
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NON_BLOCKING response scheduling (WHEN_IDLE).
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When the user asks you to run a long-running or background task, call the `slow_background_task` tool.
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Inform the user that the task has started and continue conversing with them normally while the task runs in the background.
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""",
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tools=[
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non_blocking_tool,
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],
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)
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